Ohio Rev. Code Ann. § 4705.10
(A) All of the following apply to an interest-bearing trust account established under authority of section 4705.09 of the Revised Code:
(3) The depository institution shall be directed, by the person or law firm establishing the account, to do all of the following:
(4) The depository institution shall notify the office of disciplinary counsel or other entity designated by the supreme court on each occasion when a properly payable instrument is presented for payment from the account, and the account contains insufficient funds. The depository institution shall provide this notice without regard to whether the instrument is honored by the depository institution. The depository institution shall provide the notice described in division (A)(4) of this section by electronic or other means within five banking days of the date that the instrument was honored or returned as dishonored. The notice shall contain all of the following:
(B)